For Armored Cable Entering an Enclosure Vertically.
Type PKR: “R” Type Cable Support. Type PKSR: Sealed/Watertight.
O-Z/Gedney PKR and PKSR vertical support type cable connectors are for use with all types of armored cable on vertical runs where the cable enters a junction or pull box from the bottom. Both types secure and support the cable, and type PKSR also provides a watertight seal at the cable entry.